Mathematics, 25.04.2020 04:45, kevinhernandez582
Direct Mailing Company sells computers and computer parts by mail. The company claims that more than 90% of all orders are mailed within 72 hours after they are received. The quality control department at the company often takes samples to check if this claim is valid. A recently taken sample of 175 orders showed that 161 of them were mailed within 72 hours. Do you think the company’s claim is true? Use the 1% significance level. What type of problem is this?
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Direct Mailing Company sells computers and computer parts by mail. The company claims that more than...
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